Home / 61,872.10-85,383.45-35,014.12

Finding the Fourth Proportional to 61,872.10, 85,383.45 and 35,014.12

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Solution

The fourth proportional to 61,872.10, 85,383.45 and 35,014.12 is: 48,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,872.10 : 85,383.45 = 35,014.12 : x
  2. Step 2: Convert to fraction form
    61,872.10/85,383.45 = 35,014.12/x
  3. Step 3: Cross multiply
    61,872.10x = 85,383.45 × 35,014.12
  4. Step 4: Simplify right side
    61,872.10x = 2,989,626,150.86
  5. Step 5: Solve for x
    x = 2,989,626,150.86/61,872.10
  6. Step 6: Final answer
    x = 48,319.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.